Basis of Presentation and Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2014

Accounting Policies [Abstract]

Carrying Amount and Estimated Fair Value of Financial Instruments

The carrying amount and estimated fair value of the Company’s financial instruments, not shown elsewhere in these financial statements, were as follows:

			Fair Value Measurements at March 31, 2014 Using:
	Carrying Amount		Level 1		Level 2		Level 3		Total
	(Dollars in Thousands)
Financial assets:
Loans, net	$	2,482,601	$	—	$	1,651,409	$	851,216	$	2,502,625
Financial liabilities:
Deposits		3,010,647		—		3,011,383		—		3,011,383
Other borrowings		59,677		—		59,677		—		59,677
			Fair Value Measurements at December 31, 2013 Using:
	Carrying Amount		Level 1		Level 2		Level 3		Total
	(Dollars in Thousands)
Financial assets:
Loans, net	$	2,435,067	$	—	$	1,565,919	$	881,536	$	2,447,455
Financial liabilities:
Deposits		2,999,231		—		3,000,061		—		3,000,061
Other borrowings		194,572		—		194,572		—		194,572
			Fair Value Measurements at March 31, 2013 Using:
	Carrying Amount		Level 1		Level 2		Level 3		Total
	(Dollars in Thousands)
Financial assets:
Loans, net	$	1,930,095	$	—	$	1,458,604	$	501,874	$	1,960,478
Financial liabilities:
Deposits		2,489,973		—		2,491,282		—		2,491,282

Fair Value Measurements of Assets and Liabilities Measured on Recurring Basis

The following table presents the fair value measurements of assets and liabilities measured at fair value on a recurring basis and the level within the fair value hierarchy in which the fair value measurements fall as of March 31, 2014, December 31, 2013 and March 31, 2013 (dollars in thousands):

	Fair Value Measurements on a Recurring Basis As of March 31, 2014
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. government agencies	$	14,145	$	—	$	14,145	$	—
State, county and municipal securities		111,574		—		111,574		—
Corporate debt securities		10,383		—		8,383		2,000
Mortgage-backed securities		320,611		—		320,611		—
Mortgage loans held for sale		51,693		—		51,693		—
Total recurring assets at fair value	$	508,406	$	—	$	506,406	$	2,000
Derivative financial instruments	$	675	$	—	$	675	$	—
Total recurring liabilities at fair value	$	675	$	—	$	675	$	—
	Fair Value Measurements on a Recurring Basis As of December 31, 2013
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. government agencies	$	13,926	$	—	$	13,926	$	—
State, county and municipal securities		112,754		—		112,754		—
Collateralized debt obligations		1,480		1,480		—		—
Corporate debt securities		10,325		—		8,325		2,000
Mortgage-backed securities		347,750		182,461		165,289		—
Mortgage loans held for sale		67,278		—		67,278		—
Total recurring assets at fair value	$	553,513	$	183,941	$	367,572	$	2,000
Derivative financial instruments	$	370	$	—	$	370	$	—
Total recurring liabilities at fair value	$	370	$	—	$	370	$	—
	Fair Value Measurements on a Recurring Basis As of March 31, 2013
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. government agencies	$	5,015	$	—	$	5,015	$	—
State, county and municipal securities		115,532		—		115,532		—
Corporate debt securities		10,297		—		8,297		2,000
Mortgage-backed securities		193,185		4,054		189,131		—
Mortgage loans held for sale		42,332		—		42,332		—
Total recurring assets at fair value	$	366,361	$	4,054	$	360,307	$	2,000
Derivative financial instruments	$	2,553	$	—	$	2,553	$	—
Total recurring liabilities at fair value	$	2,553	$	—	$	2,553	$	—

Valuation Methodologies for Instruments Measured at Fair Value on Nonrecurring Basis

The following table is a presentation of the valuation methodologies used for instruments measured at fair value on a nonrecurring basis, as well as the general classification of such instruments pursuant to the valuation hierarchy as of March 31, 2014, December 31, 2013 and March 31, 2013 (dollars in thousands):

	Fair Value Measurements on a Nonrecurring Basis As of March 31, 2014
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Impaired loans carried at fair value	$	41,253	$	—	$	—	$	41,253
Other real estate owned		33,839		—		—		33,839
Purchased, non-covered loans		437,269		—		—		437,269
Purchased, non-covered other real estate owned		3,864		—		—		3,864
Covered loans		372,694		—		—		372,694
Covered other real estate owned		42,636		—		—		42,636
Total nonrecurring assets at fair value	$	931,555	$	—	$	—	$	931,555
	Fair Value Measurements on a Nonrecurring Basis As of December 31, 2013
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Impaired loans carried at fair value	$	42,546	$	—	$	—	$	42,546
Other real estate owned		33,351		—		—		33,351
Purchased, non-covered loans		448,753		—		—		448,753
Purchased, non-covered other real estate owned		4,276		—		—		4,276
Covered loans		390,237		—		—		390,237
Covered other real estate owned		45,893		—		—		45,893
Total nonrecurring assets at fair value	$	965,056	$	—	$	—	$	965,056
	Fair Value Measurements on a Nonrecurring Basis As of March 31, 2013
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Impaired loans carried at fair value	$	51,150	$	—	$	—	$	51,150
Other real estate owned		40,434		—		—		40,434
Covered loans		460,724		—		—		460,724
Covered other real estate owned		77,915		—		—		77,915
Total nonrecurring assets at fair value	$	630,223	$	—	$	—	$	630,223

Summary of Significant Unobservable Inputs Used in Fair Value Measurement of Level 3 Assets and Liabilities

The following table shows significant unobservable inputs used in the fair value measurement of Level 3 assets and liabilities.

Measurements	Fair Value at March 31, 2014		Valuation Technique	Unobservable Inputs	Range
	(Dollars in Thousands)
Nonrecurring:
Impaired loans	$	41,253	Third party appraisals and discounted cash flows	Collateral discounts and discount rates	4.00% - 60.00%
Other real estate owned	$	33,839	Third party appraisals	Collateral discounts and estimated costs to sell	10.00% - 74.00%
Purchased, non-covered loans	$	437,269	Third party appraisals and discounted cash flows	Collateral discounts and discount rates	1.00% - 40.00%
Purchased non-covered other real estate owned	$	3,864	Third party appraisals	Collateral discounts and estimated costs to sell	15.00% - 57.00%
Covered loans	$	372,694	Third party appraisals and discounted cash flows	Collateral discounts and discount rate	1.75% - 75.00%
Covered real estate owned	$	42,636	Third party appraisals	Collateral discounts and estimated costs to sell	10.00% - 87.00%
Recurring:
Investment securities available for sale	$	2,000	Discounted par values	Credit quality of underlying issuer	0.00%

Schedule of Company's Reconciliation of Level 3 Assets

The transfers between the fair value hierarchy levels during the three months ended March 31, 2014 and 2013 involved the transferring of loans to impaired loans, impaired loans to other real estate owned and covered loans to covered other real estate owned. These transfers are reflected in the Company’s reconciliation of Level 3 assets below.

	Investment securities available for sale		Impaired loans carried at fair value			Other real estate owned			Purchased, non-covered loans			Purchased, non-covered other real estate owned			Covered loans			Covered other real estate owned
									(Dollars in Thousands)
Beginning balance, January 1, 2014	$	2,000	$	42,546		$	33,351		$	448,753		$	4,276		$	390,237		$	45,893
Total gains (losses) included in net income		—		—			(750	)		—			(46	)		—			(219	)
Purchases, sales, issuances, and settlements, net		—		—			(1,316	)		(11,416	)		(529	)		(12,617	)		(7,964	)
Transfers in or out of Level 3		—		—			1,261			—			95			—			—
Asset reclassification, within Level 3		—		(1,293	)		1,293			(68	)		68			(4,926	)		4,926
Ending balance, March 31, 2014	$	2,000	$	41,253		$	33,839		$	437,269		$	3,864		$	372,694		$	42,636

	Investment Securities Available for Sale		Impaired Loans Carried at Fair Value			Other Real Estate Owned			Covered Loans			Covered Other Real Estate Owned
	(Dollars in Thousands)
Beginning balance, January 1, 2013	$	2,000	$	52,514		$	39,850		$	507,712		$	88,273
Total gains/(losses) included in net income		—		—			(15	)		—			(3,032	)
Purchases, sales, issuances, and settlements, net		—		—			(2,027	)		(31,449	)		(22,865	)
Transfers in to Level 3		—		1,262			—			—			—
Asset reclassification, within Level 3		—		(2,626	)		2,626			(15,539	)		15,539
Ending balance March 31, 2013	$	2,000	$	51,150		$	40,434		$	460,724		$	77,915